Home / 451,736.50-677,618.79-167,497.78

Finding the Fourth Proportional to 451,736.50, 677,618.79 and 167,497.78

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Solution

The fourth proportional to 451,736.50, 677,618.79 and 167,497.78 is: 251,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,736.50 : 677,618.79 = 167,497.78 : x
  2. Step 2: Convert to fraction form
    451,736.50/677,618.79 = 167,497.78/x
  3. Step 3: Cross multiply
    451,736.50x = 677,618.79 × 167,497.78
  4. Step 4: Simplify right side
    451,736.50x = 113,499,643,011.29
  5. Step 5: Solve for x
    x = 113,499,643,011.29/451,736.50
  6. Step 6: Final answer
    x = 251,251.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.